package com.yuand.handler;

import com.alibaba.fastjson.JSON;
import com.yuand.utils.ResponseResult;
import com.yuand.utils.WebUtil;
import org.springframework.http.HttpStatus;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;


/**
 * 如果是授权过程中出现的异常会被封装成AccessDeniedException然后调用**AccessDeniedHandler**对象的方法去进行异常处理。
 */
@Component
public class AccessDeniedHandlerImpl implements AccessDeniedHandler {
    @Override
    public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException accessDeniedException)  {
        System.out.println("我是权限不足过滤器.......");
        ResponseResult result = new ResponseResult(HttpStatus.FORBIDDEN.value(),"您的权限不足");  //403
        String json = JSON.toJSONString(result);
        //处理异常
        WebUtil.renderString(response,json);
    }
}
